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Boat Batteries
Posted on 8/2/25 at 8:47 pm
Posted on 8/2/25 at 8:47 pm
Bought a used boat… looks like my trolling motor/accessory batteries are shot (2018 date stamp).
Recommendations on reasonably priced options? I know I know Bust Out Another Thousand….
22ft Xpress running a 24v trolling motor, radio, and hummingbird. Nothing crazy.
Recommendations on reasonably priced options? I know I know Bust Out Another Thousand….
22ft Xpress running a 24v trolling motor, radio, and hummingbird. Nothing crazy.
12
Posted on 8/2/25 at 9:12 pm to Jblac15
I’ve always used Delco Voyager batteries, would buy them from the dealership I worked for. Were very good, never had any issues…
Posted on 8/2/25 at 10:16 pm to Jblac15
Amazon link
I bought these on recommendation from a friend who uses them on his boat for 24v trolling motor. No complaints. Have an on board charger hooked to them.
I bought these on recommendation from a friend who uses them on his boat for 24v trolling motor. No complaints. Have an on board charger hooked to them.
This post was edited on 8/2/25 at 10:17 pm
Posted on 8/2/25 at 10:20 pm to Jblac15
Get lithiums and don’t look back.
I have Litimes and they are light years better than lead acid batteries and a third of the weight. You should be able to get a decent pair for around 200 per battery.
I have Litimes and they are light years better than lead acid batteries and a third of the weight. You should be able to get a decent pair for around 200 per battery.
Posted on 8/3/25 at 6:08 am to Mister Bigfish
Another vote for Lith, I put these in my boat and no complaints at all. The "mini" size (100AH) is light weight and easily fits anywhere.
Amazon Mini
Amazon Mini
Posted on 8/3/25 at 7:36 am to Barneyrb
Thanks for all the replies. This might be a dumb question, but I assume I will have to swap my on board charger for one that will charge lithium batteries, correct?
Posted on 8/3/25 at 7:39 am to Jblac15
Are lithium's good for cranking or just for trolling?
Posted on 8/3/25 at 7:56 am to Jblac15
Yes, will need different charger. I also have a 24v 50ah Litime. I bought the charger that was recommended from Litime
Posted on 8/3/25 at 7:57 am to VernonPLSUfan
Lithium for trolling only.
Lead for cranking
Lead for cranking
Posted on 8/3/25 at 9:16 am to Jblac15
You’re looking for a 65ah lithium and charger. Most Li batteries have a min 5 yr warranty and some 10 yr. Zero drop off in power as opposed to lead/agm.
You’re going to love batteries again.
You’re going to love batteries again.
Posted on 8/3/25 at 11:17 am to VernonPLSUfan
quote:Some are, and it depends on your motor charging system. I use a lithium starting battery for my Pro XS 4 stroke. It's fantastic.
Are lithium's good for cranking
Posted on 8/3/25 at 12:21 pm to Jblac15
If you’re a member at Costco or Sams I would just get some lead acid from there that fits your specs.
Lithiums are great for trolling motor. I have some. You’ll drop a bit more coin than lead acid because you will need new battery charger as well.
Lithiums are great for trolling motor. I have some. You’ll drop a bit more coin than lead acid because you will need new battery charger as well.
Posted on 8/3/25 at 3:47 pm to Jblac15
I got three of these from Sam's last time I did a complete replacement. They show them at $135 each now.
https://www.samsclub.com/ip/Duracell-AGM-Deep-Cycle-Marine-and-RV-Battery-Group-Size-34M/8399630002?classType=REGULAR
https://www.samsclub.com/ip/Duracell-AGM-Deep-Cycle-Marine-and-RV-Battery-Group-Size-34M/8399630002?classType=REGULAR
Posted on 8/3/25 at 5:06 pm to Jblac15
Bought a new 24v MK Terrova this year. Bought this brand battery through Amazon. I have the same brand in a 12v to run my livescope.
TimeUsb
20A 12v/24v charger
TimeUsb
20A 12v/24v charger
Posted on 8/3/25 at 7:24 pm to Jblac15
If you stick with lead/agm the Everstartt from Walmart are all you need
Posted on 8/3/25 at 7:52 pm to Jblac15
On a budget…
LiTime lithium for trolling motor (get one that comes with charger)
Duracell or any other mid level AGM for crank.
LiTime lithium for trolling motor (get one that comes with charger)
Duracell or any other mid level AGM for crank.
Posted on 8/4/25 at 10:53 am to Jblac15
Yall trust the Lithium batteries in boats? I just have a bad feeling about them being unstable.
I need to replace my 36v trolling motor batteries and am considering switching to lithium.
I need to replace my 36v trolling motor batteries and am considering switching to lithium.
Posted on 8/4/25 at 11:06 am to SmokinBurger
quote:Absolutely.
Yall trust the Lithium batteries in boats?
quote:There's so many people using them and I do not see problems being posted anywhere. Mine have been flawless.
I just have a bad feeling about them being unstable.
Posted on 8/4/25 at 11:31 am to SmokinBurger
I trust them for trolling motors. Still not convinced I trust them for cranking/house loads. Seen a few where BMS locks out battery for random reasons and can’t start boat.
From a catching on fire standpoint they should be fine. LiFePO4 is much safer than Li-Ion
From a catching on fire standpoint they should be fine. LiFePO4 is much safer than Li-Ion
This post was edited on 8/4/25 at 11:32 am
Posted on 8/4/25 at 11:58 am to CP3
quote:
I trust them for trolling motors. Still not convinced I trust them for cranking/house loads. Seen a few where BMS locks out battery for random reasons and can’t start boat.
From a catching on fire standpoint they should be fine. LiFePO4 is much safer than Li-Ion
All of this is correct.
They shouldn't be used for cranking batteries or critical electronics but lithium's are the correct answer for everything else. Everything about them is much better than lead acid batteries EXCEPT the necessity of a battery management system.
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